Hall with stairs, bridges and swallow passages, in the foreground a group of prisoners on a cornice, Giovanni Battista Piranesi

Prisons of invention. Object Type: etching print. Dimensions: height: 405 mm (15.94 in); width: 538 mm (21.18 in). Medium: etching and copper engraving. Collection: Statens Museum for Kunst. Giovanni Battista Piranesi, Hal med trapper, broer og svalegange, i forgunden en gruppe fanger på en gesims, , KKSgb9872-10, Statens Museum for Kunst